One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6,9,11)(7,12,8,10)(21,22,25,29,26,30,24,28)(23,31,34,27,32,35,33,36)(5,7,9,8)(6,10,11,12)(13,14)(15,18)(16,17)(19,20)(21,23)(22,27)(24,34)(25,33)(26,32)(28,35)(29,31)(30,36)(5,8,9,7)(6,10,11,12)(14,17)(18,20)(22,28)(24,25)(27,35)(29,30)(31,36)(33,34)(1,2,3,4)(13,15,16,19)(14,18,17,20)(23,32)(27,36)(31,35)(33,34)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.